Trilobites: This Burrowing Clam Is Not Boring. It Uses Acid to Make Its Home. Researchers have solved the mystery of how this small species of giant clam forms its own cave inside the rock of a coral reef. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:EXTINCTION THREAT? Comet responsible for Perseid meteor shower could wipe out EarthWhy Some Say the Eclipse Is Best Experienced in a Massive CrowdBlack Moon rises 2017: What is a Black Moon? Rare lunar event explainedMore Than 500,000 Infected With Cholera in YemenEarth in Suspension‘The sun hologram needs updating’ THIS is how flat earthers explain the solar eclipse